SAN FRANCISCO, Calif. — March 14, 2006 — Salesforce.com [NYSE: CRM], the technology and market
leader in on-demand customer relationship management (CRM), today announced that Aon Corporation, a
leading insurance broker and risk management consulting firm, has standardized its enterprise
customer relationship management on salesforce.com. With 47,000 employees working in Aon's 500
offices in more than 120 countries, Salesforce enables Aon to have a consistent view of customers
and vendors across business units so the company can better serve the needs of its customers and
reap the significant cost savings of a consolidated infrastructure. Aon has customized Salesforce
to meet the specific needs of each of its divisions.

Aon is one of the 20,500 companies of all sizes, industries and geographies that comprised the
salesforce.com customer base as of January 31, 2006. Revenue and subscribers will be recognized as
the service is delivered. "With the help of the salesforce.com Professional Services team, we were
able to get our Salesforce applications up and running in just over two months for our initial
users and are already seeing the benefits of greater collaboration and information sharing," said
Bill Pieroni, chief information officer at Aon. "With this ability to integrate disparate data from
around the globe and across business units, salesforce.com provides critical insight into our
business so we can focus our efforts on performance and profitability."

Aon Corporation's commitment is to provide its client with the most individualized insurance
solutions. Recommendations are made by Aon consultants to clients based on clients' changing life
events and conditions. Aon is using Salesforce SFA to consolidate, integrate and share critical
customer data that enables thousands of its brokers and consultants to provide personalized service
in a timely fashion. With Salesforce as its central hub, accurate data is readily available across
its various divisions regardless of location, enabling cross-functional, real-time visibility.

"With just a few easy customizations, Salesforce is now specifically designed to fit our
structure and substantially increase cross-departmental visibility on customer needs," said
Pieroni. "There is no other solution on the market that offered the speed and flexibility an
organization of our scope and size requires."

About Aon Corporation

Aon Corporation (www.aon.com) is a leading provider of risk management services, insurance and reinsurance brokerage, human capital and management consulting, and specialty insurance underwriting. There are 47,000 employees working in Aon's 500 offices in more than 120 countries. Backed by broad resources, industry knowledge and technical expertise, Aon professionals help a wide range of clients develop effective risk management and workforce productivity solutions.

About Aon Corporation

Aon Corporation (www.aon.com) is a leading provider of risk management services, insurance and reinsurance brokerage, human capital and management consulting, and specialty insurance underwriting. There are 47,000 employees working in Aon's 500 offices in more than 120 countries. Backed by broad resources, industry knowledge and technical expertise, Aon professionals help a wide range of clients develop effective risk management and workforce productivity solutions.